FVXX21 KNES 081355 VA ADVISORY DTG: 20200908/1355Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/765 INFO SOURCE: GOES-EAST. VONA. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: EM OBS 08/1148Z TO FL150 OBS VA DTG: 08/1330Z OBS VA CLD: SFC/FL150 N0004 W07755 - S0003 W07740 - S0006 W07740 - S0001 W07756 - N0004 W07755 MOV W 15-20KT FCST VA CLD +6HR: 08/1930Z SFC/FL150 N0006 W07756 - S0003 W07739 - S0005 W07741 - N0001 W07801 - N0006 W07756 FCST VA CLD +12HR: 09/0130Z NO VA EXP FCST VA CLD +18HR: 09/0730Z NO VA EXP RMK: VA NOT OBS IN STLT DUE TO WX CLD BUT VO RPRT EM TO FL150 AT 1148Z. OBS VA BASED ON PREV T+6 FCST AND NWP MODEL GUIDANCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20200908/2000Z